def check_stars():
"""Checking stars.sh output using random input."""
num = random.randint(5,55)
output = check50.run("./stars.sh " + str(num) + " > stars.out").stdout()
if check50.hash("stars.out") != STARS_HASHES[num - 5]: #index for STARS_HASHES start at 0
raise check50.Failure("Tried running ./stars.sh " + str(num) + ". The output is not correct.")
def different():
"""whodunit.c alters the image"""
check50.include("clue.bmp")
check50.run("./whodunit clue.bmp verdict.bmp").exit()
if check50.hash("verdict.bmp") == check50.hash("clue.bmp"):
raise check50.Failure("output image is identical to clue.bmp")
def audio_x2():
"""increases audio volume, factor of 2 correctly"""
check50.run("./volume input.wav output.wav 2").exit(0)
if check50.hash("output.wav") != HASHES[2]:
raise check50.Failure("audio is not correctly altered, factor of 2")
def audio_tenth():
"""reduces audio volume, factor of 0.1 correctly"""
check50.run("./volume input.wav output.wav 0.1").exit(0)
if check50.hash("output.wav") != HASHES[1]:
raise check50.Failure("audio is not correctly altered, factor of 0.1")
def check_analyze():
"""Checking analyze.sh"""
output = check50.run("./analyze.sh sample.txt outfile.csv").stdout()
if check50.hash("outfile.csv") != ANALYZE_HASHES[0]:
raise check50.Failure("Tried running ./analyze.sh sample.txt outfile.csv. outfile.csv did not contain the correct data.")
def last_image():
"""recovers 049.jpg correctly"""
check50.run("./recover card.raw").exit(0, timeout=10)
if check50.hash("049.jpg") != HASHES[-1]:
raise check50.Failure("recovered image does not match")
def middle_images():
"""recovers middle images correctly"""
check50.run("./recover card.raw").exit(0, timeout=10)
for i, hash in enumerate(HASHES[1:-1], 1):
if hash != check50.hash("{:03d}.jpg".format(i)):
raise check50.Failure("recovered image does not match")
